package java3_16.Circle;

public class CircleTest {
    public static void main(String[] args) {
        Circle c = new Circle(2.4);

        double x = c.area();
        System.out.println("圆的面积是："+x);
        System.out.println("圆的半径是："+c.getRadius());
        double y = c.perimeter();
        System.out.println("圆的周长是："+y);
    }
}
